Synonyms: 3H,7H-Benzofuro[3,2-c]pyrano[3,2-g][1]benzopyran-10-ol,7a,12a-dihydro-13-methoxy-3,3-dimethyl-11-(3-methyl-2-butenyl)-, (7aR,12aR)-(9CI); 3H,7H-Benzofuro[3,2-c]pyrano[3,2-g][1]benzopyran-10-ol,7a,12a-dihydro-13-methoxy-3,3-dimethyl-11-(3-methyl-2-butenyl)-, (7aR-cis)-;3H,7H-Benzofuro[3,2-c]pyrano[3,2-g][1]benzopyran-10-ol, 7aa,12aa-dihydro-13-methoxy-3,3-dimethyl-11-(3-methyl-2-butenyl)-(8CI); Gangetin; NSC 250430